mirror of
https://github.com/Kilian/Trimage.git
synced 2026-01-26 01:58:41 -05:00
498 lines
18 KiB
Python
498 lines
18 KiB
Python
#!/usr/bin/env python3
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import time
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import sys
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from os import listdir, path, remove, access, W_OK
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from shutil import copy
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from optparse import OptionParser
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from multiprocessing import cpu_count
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from queue import Queue
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from PyQt5.QtCore import *
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from PyQt5.QtGui import *
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from PyQt5.QtWidgets import *
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from ThreadPool import ThreadPool
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from ui import Ui_trimage
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from tools import *
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VERSION = "1.0.6"
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class StartQt(QMainWindow):
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def __init__(self, parent=None):
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QWidget.__init__(self, parent)
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self.ui = Ui_trimage()
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self.ui.setupUi(self)
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self.showapp = True
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self.verbose = True
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self.imagelist = []
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QCoreApplication.setOrganizationName("Kilian Valkhof")
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QCoreApplication.setOrganizationDomain("trimage.org")
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QCoreApplication.setApplicationName("Trimage")
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self.settings = QSettings()
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if self.settings.value("geometry"):
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self.restoreGeometry(self.settings.value("geometry"))
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# check if dependencies are installed
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if not check_dependencies():
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quit()
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# add quit shortcut
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if hasattr(QKeySequence, "Quit"):
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self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
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self)
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else:
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self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)
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# disable recompress
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self.ui.recompress.setEnabled(False)
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# make a worker thread
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self.thread = Worker()
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# connect signals with slots
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self.ui.addfiles.clicked.connect(self.file_dialog)
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self.ui.recompress.clicked.connect(self.recompress_files)
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self.quit_shortcut.activated.connect(self.close)
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self.ui.processedfiles.drop_event_signal.connect(self.file_drop)
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self.thread.finished.connect(self.update_table)
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self.thread.update_ui_signal.connect(self.update_table)
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self.compressing_icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))
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# activate command line options
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self.commandline_options()
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if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
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self.systemtray = Systray(self)
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def commandline_options(self):
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"""Set up the command line options."""
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self.cli = False
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parser = OptionParser(version="%prog " + VERSION,
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description="GUI front-end to compress png and jpg images via "
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"advpng, jpegoptim, optipng and pngcrush")
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parser.set_defaults(verbose=True)
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parser.add_option("-v", "--verbose", action="store_true",
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dest="verbose", help="Verbose mode (default)")
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parser.add_option("-q", "--quiet", action="store_false",
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dest="verbose", help="Quiet mode")
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parser.add_option("-f", "--file", action="store", type="string",
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dest="filename", help="compresses image and exit")
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parser.add_option("-d", "--directory", action="store", type="string",
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dest="directory", help="compresses images in directory and exit")
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options, args = parser.parse_args()
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# make sure we quit after processing finished if using cli
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if options.filename or options.directory:
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self.thread.finished.connect(quit)
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self.cli = True
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# send to correct function
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if options.filename:
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self.file_from_cmd(options.filename)
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if options.directory:
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self.dir_from_cmd(options.directory)
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self.verbose = options.verbose
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"""
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Input functions
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"""
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def dir_from_cmd(self, directory):
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"""
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Read the files in the directory and send all files to compress_file.
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"""
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self.showapp = False
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dirpath = path.abspath(directory)
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imagedir = listdir(directory)
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filelist = [path.join(dirpath, image) for image in imagedir]
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self.delegator(filelist)
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def file_from_cmd(self, image):
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"""Get the file and send it to compress_file"""
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self.showapp = False
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filelist = [path.abspath(image)]
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self.delegator(filelist)
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def file_drop(self, images):
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"""
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Get a file from the drag and drop handler and send it to compress_file.
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"""
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self.delegator(images)
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def file_dialog(self):
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"""Open a file dialog and send the selected images to compress_file."""
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fd = QFileDialog(self)
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if (self.settings.value("fdstate")):
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fd.restoreState(self.settings.value("fdstate"))
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directory = self.settings.value("directory", QVariant(""))
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fd.setDirectory(directory)
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images, _ = fd.getOpenFileNames(self,
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"Select one or more image files to compress",
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directory,
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# this is a fix for file dialog differentiating between cases
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"Image files (*.png *.jpg *.jpeg *.PNG *.JPG *.JPEG)")
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self.settings.setValue("fdstate", QVariant(fd.saveState()))
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if images:
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self.settings.setValue("directory", QVariant(path.dirname(images[0])))
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self.delegator([fullpath for fullpath in images])
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def recompress_files(self):
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"""Send each file in the current file list to compress_file again."""
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self.delegator([row.image.fullpath for row in self.imagelist])
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"""
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Compress functions
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"""
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def delegator(self, images):
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"""
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Receive all images, check them and send them to the worker thread.
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"""
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delegatorlist = []
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for fullpath in images:
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try: # recompress images already in the list
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image = next(i.image for i in self.imagelist
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if i.image.fullpath == fullpath)
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if image.compressed:
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image.reset()
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image.recompression = True
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delegatorlist.append(image)
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except StopIteration:
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if not path.isdir(fullpath):
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self.add_image(fullpath, delegatorlist)
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else:
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self.walk(fullpath, delegatorlist)
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self.update_table()
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self.thread.compress_file(delegatorlist, self.showapp, self.verbose,
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self.imagelist)
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def walk(self, dir, delegatorlist):
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"""
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Walks a directory, and executes a callback on each file.
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"""
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dir = path.abspath(dir)
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for file in [file for file in listdir(dir) if not file in [".","..",".svn",".git",".hg",".bzr",".cvs"]]:
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nfile = path.join(dir, file)
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if path.isdir(nfile):
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self.walk(nfile, delegatorlist)
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else:
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self.add_image(nfile, delegatorlist)
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def add_image(self, fullpath, delegatorlist):
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"""
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Adds an image file to the delegator list and update the tray and the title of the window.
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"""
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image = Image(fullpath)
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if image.valid:
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delegatorlist.append(image)
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self.imagelist.append(ImageRow(image, self.compressing_icon))
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if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
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self.systemtray.trayIcon.setToolTip("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
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self.setWindowTitle("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
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else:
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print("[error] {} not a supported image file and/or not writable".format(image.fullpath), file=sys.stderr)
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"""
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UI Functions
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"""
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def update_table(self):
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"""Update the table view with the latest file data."""
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tview = self.ui.processedfiles
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# set table model
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tmodel = TriTableModel(self, self.imagelist,
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["Filename", "Old Size", "New Size", "Compressed"])
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tview.setModel(tmodel)
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# set minimum size of table
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vh = tview.verticalHeader()
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vh.setVisible(False)
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# set horizontal header properties
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hh = tview.horizontalHeader()
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hh.setStretchLastSection(True)
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# set all row heights
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nrows = len(self.imagelist)
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for row in range(nrows):
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tview.setRowHeight(row, 25)
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# set the second column to be longest
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tview.setColumnWidth(0, 300)
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# enable recompress button
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self.enable_recompress()
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def enable_recompress(self):
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"""Enable the recompress button."""
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self.ui.recompress.setEnabled(True)
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if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
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self.systemtray.recompress.setEnabled(True)
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def hide_main_window(self):
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if self.isVisible():
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self.hide()
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if QSystemTrayIcon.isSystemTrayAvailable():
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self.systemtray.hideMain.setText("&Show window")
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else:
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self.show()
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if QSystemTrayIcon.isSystemTrayAvailable():
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self.systemtray.hideMain.setText("&Hide window")
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def closeEvent(self, event):
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self.settings.setValue("geometry", QVariant(self.saveGeometry()))
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event.accept()
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class TriTableModel(QAbstractTableModel):
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def __init__(self, parent, imagelist, header, *args):
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"""
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@param parent Qt parent object.
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@param imagelist A list of tuples.
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@param header A list of strings.
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"""
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QAbstractTableModel.__init__(self, parent, *args)
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self.imagelist = imagelist
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self.header = header
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def rowCount(self, parent):
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"""Count the number of rows."""
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return len(self.imagelist)
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def columnCount(self, parent):
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"""Count the number of columns."""
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return len(self.header)
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def data(self, index, role):
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"""Fill the table with data."""
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if not index.isValid():
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return QVariant()
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elif role == Qt.DisplayRole:
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data = self.imagelist[index.row()][index.column()]
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return QVariant(data)
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elif index.column() == 0 and role == Qt.DecorationRole:
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# decorate column 0 with an icon of the image itself
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f_icon = self.imagelist[index.row()][4]
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return QVariant(f_icon)
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else:
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return QVariant()
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def headerData(self, col, orientation, role):
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"""Fill the table headers."""
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if orientation == Qt.Horizontal and (role == Qt.DisplayRole or
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role == Qt.DecorationRole):
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return QVariant(self.header[col])
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return QVariant()
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class ImageRow:
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def __init__(self, image, waitingIcon=None):
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"""Build the information visible in the table image row."""
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self.image = image
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d = {
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'filename_w_ext': lambda i: self.statusStr().format(i.filename_w_ext),
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'oldfilesizestr': lambda i: human_readable_size(i.oldfilesize)
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if i.compressed else "",
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'newfilesizestr': lambda i: human_readable_size(i.newfilesize)
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if i.compressed else "",
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'ratiostr': lambda i:
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"%.1f%%" % (100 - (float(i.newfilesize) / i.oldfilesize * 100))
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if i.compressed else "",
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'icon': lambda i: i.icon if i.compressed else waitingIcon,
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'fullpath': lambda i: i.fullpath, #only used by cli
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}
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names = ['filename_w_ext', 'oldfilesizestr', 'newfilesizestr',
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'ratiostr', 'icon']
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for i, n in enumerate(names):
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d[i] = d[n]
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self.d = d
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def statusStr(self):
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"""Set the status message."""
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if self.image.failed:
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return "ERROR: {0}"
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if self.image.compressing:
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message = "Compressing {0}..."
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return message
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if not self.image.compressed and self.image.recompression:
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return "Queued for recompression {0}..."
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if not self.image.compressed:
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return "Queued {0}..."
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return "{0}"
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def __getitem__(self, key):
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return self.d[key](self.image)
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class Image:
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def __init__(self, fullpath):
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"""Gather image information."""
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self.valid = False
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self.reset()
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self.fullpath = fullpath
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self.filename_w_ext = path.basename(self.fullpath)
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self.filename, self.filetype = path.splitext(self.filename_w_ext)
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if path.isfile(self.fullpath) and access(self.fullpath, W_OK):
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self.filetype = self.filetype[1:].lower()
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if self.filetype == "jpg":
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self.filetype = "jpeg"
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if self.filetype in ["jpeg", "png"]:
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oldfile = QFileInfo(self.fullpath)
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self.oldfilesize = oldfile.size()
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self.icon = QIcon(self.fullpath)
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self.valid = True
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def reset(self):
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self.failed = False
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self.compressed = False
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self.compressing = False
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self.recompression = False
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def compress(self):
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"""Compress the image and return it to the thread."""
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if not self.valid:
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raise "Tried to compress invalid image (unsupported format or not \
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file)"
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self.reset()
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self.compressing = True
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runString = {
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"jpeg": "jpegoptim -f --strip-all '%(file)s'",
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"png": "optipng -force -o7 '%(file)s'&&advpng -z4 '%(file)s' && pngcrush -rem gAMA -rem alla -rem cHRM -rem iCCP -rem sRGB -rem time '%(file)s' '%(file)s.bak' && mv '%(file)s.bak' '%(file)s'"
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}
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# create a backup file
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backupfullpath = '/tmp/' + self.filename_w_ext
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copy(self.fullpath, backupfullpath)
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try:
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retcode = call(runString[self.filetype] % {"file": self.fullpath},
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shell=True, stdout=PIPE)
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except:
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retcode = -1
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if retcode == 0:
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self.newfilesize = QFile(self.fullpath).size()
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self.compressed = True
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# checks the new file and copy the backup
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if self.newfilesize >= self.oldfilesize:
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copy(backupfullpath, self.fullpath)
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self.newfilesize = self.oldfilesize
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# removes the backup file
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remove(backupfullpath)
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else:
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self.failed = True
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self.compressing = False
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self.retcode = retcode
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return self
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class Worker(QThread):
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update_ui_signal = pyqtSignal()
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def __init__(self, parent=None):
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QThread.__init__(self, parent)
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self.toDisplay = Queue()
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self.threadpool = ThreadPool(max_workers=cpu_count())
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def compress_file(self, images, showapp, verbose, imagelist):
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"""Start the worker thread."""
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for image in images:
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#FIXME:http://code.google.com/p/pythonthreadpool/issues/detail?id=5
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time.sleep(0.05)
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self.threadpool.add_job(image.compress, None,
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return_callback=self.toDisplay.put)
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self.showapp = showapp
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self.verbose = verbose
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self.imagelist = imagelist
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self.start()
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def run(self):
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"""Compress the given file, get data from it and call update_table."""
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tp = self.threadpool
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while self.showapp or not (tp._ThreadPool__active_worker_count == 0 and
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tp._ThreadPool__jobs.empty()):
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image = self.toDisplay.get()
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self.update_ui_signal.emit()
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if not self.showapp and self.verbose: # we work via the commandline
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if image.retcode == 0:
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ir = ImageRow(image)
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print("File: " + ir['fullpath'] + ", Old Size: "
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+ ir['oldfilesizestr'] + ", New Size: "
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+ ir['newfilesizestr'] + ", Ratio: " + ir['ratiostr'])
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else:
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print("[error] {} could not be compressed".format(image.fullpath), file=sys.stderr)
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class Systray(QWidget):
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def __init__(self, parent):
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QWidget.__init__(self)
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self.parent = parent
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self.createActions()
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self.createTrayIcon()
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self.trayIcon.show()
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def createActions(self):
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self.quitAction = QAction(self.tr("&Quit"), self)
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self.quitAction.triggered.connect(QCoreApplication.quit)
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self.addFiles = QAction(self.tr("&Add and compress"), self)
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icon = QIcon()
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icon.addPixmap(QPixmap(self.parent.ui.get_image(("pixmaps/list-add.png"))),
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QIcon.Normal, QIcon.Off)
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self.addFiles.setIcon(icon)
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self.addFiles.triggered.connect(self.parent.file_dialog)
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self.recompress = QAction(self.tr("&Recompress"), self)
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icon2 = QIcon()
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icon2.addPixmap(QPixmap(self.parent.ui.get_image(("pixmaps/view-refresh.png"))),
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QIcon.Normal, QIcon.Off)
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self.recompress.setIcon(icon2)
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self.recompress.setDisabled(True)
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self.addFiles.triggered.connect(self.parent.recompress_files)
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self.hideMain = QAction(self.tr("&Hide window"), self)
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self.hideMain.triggered.connect(self.parent.hide_main_window)
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def createTrayIcon(self):
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self.trayIconMenu = QMenu(self)
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self.trayIconMenu.addAction(self.addFiles)
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self.trayIconMenu.addAction(self.recompress)
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self.trayIconMenu.addSeparator()
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self.trayIconMenu.addAction(self.hideMain)
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self.trayIconMenu.addSeparator()
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self.trayIconMenu.addAction(self.quitAction)
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if QSystemTrayIcon.isSystemTrayAvailable():
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self.trayIcon = QSystemTrayIcon(self)
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self.trayIcon.activated.connect(lambda reason: self.hideMain.activate(QAction.Trigger))
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self.trayIcon.setContextMenu(self.trayIconMenu)
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self.trayIcon.setToolTip("Trimage image compressor")
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self.trayIcon.setIcon(QIcon(self.parent.ui.get_image("pixmaps/trimage-icon.png")))
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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myapp = StartQt()
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if myapp.showapp:
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myapp.show()
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sys.exit(app.exec_())
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